/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 05:09:19,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 05:09:19,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 05:09:19,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 05:09:19,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 05:09:19,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 05:09:19,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 05:09:19,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 05:09:19,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 05:09:19,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 05:09:19,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 05:09:19,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 05:09:19,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 05:09:19,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 05:09:19,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 05:09:19,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 05:09:19,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 05:09:19,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 05:09:19,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 05:09:19,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 05:09:19,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 05:09:19,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 05:09:19,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 05:09:19,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 05:09:19,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 05:09:19,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 05:09:19,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 05:09:19,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 05:09:19,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 05:09:19,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 05:09:19,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 05:09:19,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 05:09:19,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 05:09:19,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 05:09:19,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 05:09:19,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 05:09:19,590 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 05:09:19,613 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 05:09:19,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 05:09:19,615 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 05:09:19,615 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 05:09:19,616 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 05:09:19,616 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 05:09:19,616 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 05:09:19,616 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 05:09:19,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 05:09:19,617 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 05:09:19,618 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 05:09:19,618 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 05:09:19,618 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 05:09:19,619 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 05:09:19,619 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 05:09:19,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 05:09:19,621 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 05:09:19,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 05:09:19,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 05:09:19,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 05:09:19,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 05:09:19,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 05:09:19,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 05:09:19,622 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 05:09:19,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 05:09:19,623 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 05:09:19,623 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 05:09:19,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 05:09:19,624 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 05:09:19,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:09:19,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 05:09:19,625 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 05:09:19,625 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 05:09:19,625 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 05:09:19,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 05:09:19,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 05:09:19,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 05:09:19,627 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 05:09:19,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 05:09:19,958 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 05:09:19,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 05:09:19,964 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 05:09:19,964 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 05:09:19,965 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product24.cil.c [2019-11-24 05:09:20,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54b2c0fc/6a4e5f3c64a746a7b8299ce6afed032c/FLAG94098e2b6 [2019-11-24 05:09:20,643 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 05:09:20,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product24.cil.c [2019-11-24 05:09:20,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54b2c0fc/6a4e5f3c64a746a7b8299ce6afed032c/FLAG94098e2b6 [2019-11-24 05:09:20,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54b2c0fc/6a4e5f3c64a746a7b8299ce6afed032c [2019-11-24 05:09:20,869 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 05:09:20,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 05:09:20,872 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 05:09:20,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 05:09:20,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 05:09:20,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:09:20" (1/1) ... [2019-11-24 05:09:20,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479960a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:20, skipping insertion in model container [2019-11-24 05:09:20,880 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 05:09:20" (1/1) ... [2019-11-24 05:09:20,888 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 05:09:20,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 05:09:21,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:09:21,719 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 05:09:21,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 05:09:22,021 INFO L208 MainTranslator]: Completed translation [2019-11-24 05:09:22,022 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22 WrapperNode [2019-11-24 05:09:22,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 05:09:22,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 05:09:22,024 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 05:09:22,024 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 05:09:22,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,089 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 05:09:22,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 05:09:22,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 05:09:22,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 05:09:22,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... [2019-11-24 05:09:22,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 05:09:22,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 05:09:22,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 05:09:22,314 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 05:09:22,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 05:09:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-24 05:09:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-24 05:09:22,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-24 05:09:22,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 05:09:22,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 05:09:29,639 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 05:09:29,641 INFO L284 CfgBuilder]: Removed 323 assume(true) statements. [2019-11-24 05:09:29,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:09:29 BoogieIcfgContainer [2019-11-24 05:09:29,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 05:09:29,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-24 05:09:29,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-24 05:09:29,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-24 05:09:29,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 05:09:20" (1/3) ... [2019-11-24 05:09:29,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b8714d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:09:29, skipping insertion in model container [2019-11-24 05:09:29,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 05:09:22" (2/3) ... [2019-11-24 05:09:29,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b8714d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 05:09:29, skipping insertion in model container [2019-11-24 05:09:29,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 05:09:29" (3/3) ... [2019-11-24 05:09:29,654 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product24.cil.c [2019-11-24 05:09:29,664 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-24 05:09:29,671 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-24 05:09:29,681 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-24 05:09:29,700 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-24 05:09:29,701 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-24 05:09:29,701 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-24 05:09:29,701 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-24 05:09:29,701 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-24 05:09:29,701 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-24 05:09:29,701 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-24 05:09:29,701 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-24 05:09:29,715 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2019-11-24 05:09:29,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-11-24 05:09:29,720 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:09:29,721 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-11-24 05:09:29,721 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:09:29,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:09:29,726 INFO L82 PathProgramCache]: Analyzing trace with hash -456248831, now seen corresponding path program 1 times [2019-11-24 05:09:29,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:09:29,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208289138] [2019-11-24 05:09:29,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:09:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:09:30,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:09:30,116 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208289138] [2019-11-24 05:09:30,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:09:30,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-24 05:09:30,118 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249579963] [2019-11-24 05:09:30,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-24 05:09:30,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:09:30,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-24 05:09:30,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:09:30,137 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2019-11-24 05:09:30,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:09:30,159 INFO L93 Difference]: Finished difference Result 50 states and 79 transitions. [2019-11-24 05:09:30,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-24 05:09:30,161 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2019-11-24 05:09:30,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:09:30,172 INFO L225 Difference]: With dead ends: 50 [2019-11-24 05:09:30,173 INFO L226 Difference]: Without dead ends: 35 [2019-11-24 05:09:30,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-24 05:09:30,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-24 05:09:30,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-11-24 05:09:30,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-11-24 05:09:30,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 57 transitions. [2019-11-24 05:09:30,215 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 57 transitions. Word has length 6 [2019-11-24 05:09:30,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:09:30,215 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 57 transitions. [2019-11-24 05:09:30,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-24 05:09:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-11-24 05:09:30,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-24 05:09:30,216 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:09:30,216 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:09:30,217 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:09:30,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:09:30,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1002574014, now seen corresponding path program 1 times [2019-11-24 05:09:30,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:09:30,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420831615] [2019-11-24 05:09:30,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:09:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:09:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-24 05:09:30,386 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420831615] [2019-11-24 05:09:30,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:09:30,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:09:30,388 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229845313] [2019-11-24 05:09:30,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:09:30,390 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:09:30,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:09:30,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:09:30,391 INFO L87 Difference]: Start difference. First operand 35 states and 57 transitions. Second operand 3 states. [2019-11-24 05:09:30,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:09:30,413 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-24 05:09:30,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:09:30,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-11-24 05:09:30,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:09:30,418 INFO L225 Difference]: With dead ends: 46 [2019-11-24 05:09:30,418 INFO L226 Difference]: Without dead ends: 37 [2019-11-24 05:09:30,419 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:09:30,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2019-11-24 05:09:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2019-11-24 05:09:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-11-24 05:09:30,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 59 transitions. [2019-11-24 05:09:30,433 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 59 transitions. Word has length 7 [2019-11-24 05:09:30,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:09:30,433 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 59 transitions. [2019-11-24 05:09:30,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:09:30,433 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-11-24 05:09:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-24 05:09:30,435 INFO L402 BasicCegarLoop]: Found error trace [2019-11-24 05:09:30,435 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-24 05:09:30,436 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-24 05:09:30,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-24 05:09:30,437 INFO L82 PathProgramCache]: Analyzing trace with hash 480811689, now seen corresponding path program 1 times [2019-11-24 05:09:30,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-24 05:09:30,438 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489560742] [2019-11-24 05:09:30,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-24 05:09:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-24 05:09:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-24 05:09:30,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489560742] [2019-11-24 05:09:30,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-24 05:09:30,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-24 05:09:30,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800693798] [2019-11-24 05:09:30,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-24 05:09:30,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-24 05:09:30,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-24 05:09:30,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:09:30,588 INFO L87 Difference]: Start difference. First operand 37 states and 59 transitions. Second operand 3 states. [2019-11-24 05:09:30,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-24 05:09:30,605 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2019-11-24 05:09:30,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-24 05:09:30,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-11-24 05:09:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-24 05:09:30,606 INFO L225 Difference]: With dead ends: 37 [2019-11-24 05:09:30,606 INFO L226 Difference]: Without dead ends: 0 [2019-11-24 05:09:30,607 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-24 05:09:30,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-24 05:09:30,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-24 05:09:30,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-24 05:09:30,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-24 05:09:30,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-24 05:09:30,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-24 05:09:30,608 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-24 05:09:30,608 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-24 05:09:30,608 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-24 05:09:30,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-24 05:09:30,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-24 05:09:30,752 INFO L447 ceAbstractionStarter]: At program point L237(lines 237 244) the Hoare annotation is: true [2019-11-24 05:09:30,754 INFO L447 ceAbstractionStarter]: At program point L237-1(lines 88 258) the Hoare annotation is: true [2019-11-24 05:09:30,755 INFO L440 ceAbstractionStarter]: At program point L1162(lines 1162 1170) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~18) [2019-11-24 05:09:30,755 INFO L447 ceAbstractionStarter]: At program point L109(lines 96 257) the Hoare annotation is: true [2019-11-24 05:09:30,755 INFO L447 ceAbstractionStarter]: At program point L114(lines 114 121) the Hoare annotation is: true [2019-11-24 05:09:30,755 INFO L444 ceAbstractionStarter]: For program point L2763(lines 2763 2769) no Hoare annotation was computed. [2019-11-24 05:09:30,756 INFO L444 ceAbstractionStarter]: For program point L2763-2(lines 2763 2769) no Hoare annotation was computed. [2019-11-24 05:09:30,756 INFO L447 ceAbstractionStarter]: At program point L123(lines 110 256) the Hoare annotation is: true [2019-11-24 05:09:30,756 INFO L447 ceAbstractionStarter]: At program point L259(lines 87 260) the Hoare annotation is: true [2019-11-24 05:09:30,756 INFO L447 ceAbstractionStarter]: At program point L128(lines 128 135) the Hoare annotation is: true [2019-11-24 05:09:30,756 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 2926) no Hoare annotation was computed. [2019-11-24 05:09:30,756 INFO L447 ceAbstractionStarter]: At program point L137(lines 124 255) the Hoare annotation is: true [2019-11-24 05:09:30,756 INFO L447 ceAbstractionStarter]: At program point L142(lines 142 149) the Hoare annotation is: true [2019-11-24 05:09:30,757 INFO L447 ceAbstractionStarter]: At program point L151(lines 138 254) the Hoare annotation is: true [2019-11-24 05:09:30,757 INFO L444 ceAbstractionStarter]: For program point L2926(line 2926) no Hoare annotation was computed. [2019-11-24 05:09:30,757 INFO L444 ceAbstractionStarter]: For program point L2926-1(line 2926) no Hoare annotation was computed. [2019-11-24 05:09:30,757 INFO L447 ceAbstractionStarter]: At program point L2927-1(lines 2756 2772) the Hoare annotation is: true [2019-11-24 05:09:30,757 INFO L440 ceAbstractionStarter]: At program point L2927(lines 2756 2772) the Hoare annotation is: (= 1 ULTIMATE.start___utac_acc__EncryptVerify_spec__1_~tmp~18) [2019-11-24 05:09:30,757 INFO L447 ceAbstractionStarter]: At program point L156(lines 156 163) the Hoare annotation is: true [2019-11-24 05:09:30,757 INFO L447 ceAbstractionStarter]: At program point L1218(lines 1218 1225) the Hoare annotation is: true [2019-11-24 05:09:30,758 INFO L447 ceAbstractionStarter]: At program point L1218-1(lines 1218 1225) the Hoare annotation is: true [2019-11-24 05:09:30,758 INFO L447 ceAbstractionStarter]: At program point L165(lines 152 253) the Hoare annotation is: true [2019-11-24 05:09:30,758 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 2926) no Hoare annotation was computed. [2019-11-24 05:09:30,758 INFO L447 ceAbstractionStarter]: At program point L170(lines 170 177) the Hoare annotation is: true [2019-11-24 05:09:30,758 INFO L447 ceAbstractionStarter]: At program point L179(lines 166 252) the Hoare annotation is: true [2019-11-24 05:09:30,758 INFO L447 ceAbstractionStarter]: At program point L184(lines 184 191) the Hoare annotation is: true [2019-11-24 05:09:30,759 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-24 05:09:30,759 INFO L447 ceAbstractionStarter]: At program point L193(lines 180 251) the Hoare annotation is: true [2019-11-24 05:09:30,760 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2019-11-24 05:09:30,760 INFO L447 ceAbstractionStarter]: At program point L204(lines 194 250) the Hoare annotation is: true [2019-11-24 05:09:30,760 INFO L447 ceAbstractionStarter]: At program point L209(lines 209 216) the Hoare annotation is: true [2019-11-24 05:09:30,760 INFO L447 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-24 05:09:30,760 INFO L447 ceAbstractionStarter]: At program point L218(lines 205 249) the Hoare annotation is: true [2019-11-24 05:09:30,760 INFO L444 ceAbstractionStarter]: For program point L89(lines 88 258) no Hoare annotation was computed. [2019-11-24 05:09:30,760 INFO L447 ceAbstractionStarter]: At program point L223(lines 223 230) the Hoare annotation is: true [2019-11-24 05:09:30,761 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 257) no Hoare annotation was computed. [2019-11-24 05:09:30,761 INFO L447 ceAbstractionStarter]: At program point L232(lines 219 248) the Hoare annotation is: true [2019-11-24 05:09:30,761 INFO L447 ceAbstractionStarter]: At program point L100(lines 100 107) the Hoare annotation is: true [2019-11-24 05:09:30,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 05:09:30 BoogieIcfgContainer [2019-11-24 05:09:30,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-24 05:09:30,784 INFO L168 Benchmark]: Toolchain (without parser) took 9908.51 ms. Allocated memory was 137.9 MB in the beginning and 435.2 MB in the end (delta: 297.3 MB). Free memory was 98.6 MB in the beginning and 361.6 MB in the end (delta: -263.0 MB). Peak memory consumption was 265.6 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,785 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1151.01 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.4 MB in the beginning and 137.1 MB in the end (delta: -38.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,789 INFO L168 Benchmark]: Boogie Procedure Inliner took 179.27 ms. Allocated memory is still 202.4 MB. Free memory was 137.1 MB in the beginning and 127.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,792 INFO L168 Benchmark]: Boogie Preprocessor took 109.10 ms. Allocated memory is still 202.4 MB. Free memory was 127.0 MB in the beginning and 119.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,801 INFO L168 Benchmark]: RCFGBuilder took 7330.43 ms. Allocated memory was 202.4 MB in the beginning and 361.8 MB in the end (delta: 159.4 MB). Free memory was 119.2 MB in the beginning and 138.1 MB in the end (delta: -19.0 MB). Peak memory consumption was 211.9 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,802 INFO L168 Benchmark]: TraceAbstraction took 1133.68 ms. Allocated memory was 361.8 MB in the beginning and 435.2 MB in the end (delta: 73.4 MB). Free memory was 138.1 MB in the beginning and 361.6 MB in the end (delta: -223.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-11-24 05:09:30,812 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1151.01 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.4 MB in the beginning and 137.1 MB in the end (delta: -38.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 179.27 ms. Allocated memory is still 202.4 MB. Free memory was 137.1 MB in the beginning and 127.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.10 ms. Allocated memory is still 202.4 MB. Free memory was 127.0 MB in the beginning and 119.9 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 7330.43 ms. Allocated memory was 202.4 MB in the beginning and 361.8 MB in the end (delta: 159.4 MB). Free memory was 119.2 MB in the beginning and 138.1 MB in the end (delta: -19.0 MB). Peak memory consumption was 211.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1133.68 ms. Allocated memory was 361.8 MB in the beginning and 435.2 MB in the end (delta: 73.4 MB). Free memory was 138.1 MB in the beginning and 361.6 MB in the end (delta: -223.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2926]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 2926]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 2756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1162]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2756]: Loop Invariant Derived loop invariant: 1 == tmp - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1218]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 2 error locations. Result: SAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 170 SDtfs, 2 SDslu, 103 SDs, 0 SdLazy, 4 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 34 NumberOfFragments, 32 HoareAnnotationTreeSize, 28 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...